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In krb_get_default_realm(), before assuming our guessed default 

realm is correct, check to see if we can find a KDC for it.  If
not, it can't possibly be the default realm, and we should return
the NO.DEFAULT.REALM error condition.

Per a discussion w/ Thor Simon <tls@netbsd.org>.
This commit is contained in:
thorpej 2000-08-02 05:24:37 +00:00
parent c23199d5e1
commit 5c4fddaabe
1 changed files with 11 additions and 3 deletions
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14
crypto/dist/krb4/lib/krb/get_krbrlm.c vendored
View File

@ -33,7 +33,7 @@
#include "krb_locl.h"
RCSID("$Id: get_krbrlm.c,v 1.1.1.1 2000/06/16 18:45:53 thorpej Exp $");
RCSID("$Id: get_krbrlm.c,v 1.2 2000/08/02 05:24:37 thorpej Exp $");
/*
* krb_get_lrealm takes a pointer to a string, and a number, n. It fills
@ -130,8 +130,16 @@ krb_get_default_realm(void)
gethostname(hostname, sizeof(hostname));
t = krb_realmofhost(hostname);
if (t && strcmp(t, no_default_realm) != 0)
strlcpy(local_realm, t, sizeof(local_realm));
if (t && strcmp(t, no_default_realm) != 0) {
/*
* Before just assuming this can be the default
* realm, make sure there's a KDC. If not, it
* can't possibly be, and should therefore
* return NO.DEFAULT.REALM.
*/
if (krb_get_host(1, t, 0) != NULL)
strlcpy(local_realm, t, sizeof(local_realm));
}
}
return local_realm;
}